SiENBE18-621
Troubleshooting for Outdoor Unit
Troubleshooting
317
7.8
Refrigerant Overcharged
Remote Control
Display
F6
Applicable
Models
All outdoor unit models
Method of
Malfunction
Detection
Excessive charging of refrigerant is detected by using the heat exchanging deicer temperature
during a check operation.
Malfunction
Decision
Conditions
When the amount of refrigerant, which is calculated by using the heat exchanging deicer
temperature during a check run, exceeds the standard.
Supposed
Causes
"
Refrigerant overcharge
"
Misalignment of the thermistor for heat exchanger
"
Defect of the thermistor for heat exchanger
Troubleshooting
∗
Refer to “Thermistor Resistance / Temperature Characteristics” table on P355.
(V2797)
Caution
Be
su
re to t
u
rn off power
s
witch
b
efore connect or di
s
connect connector,
or p
a
rt
s
d
a
m
a
ge m
a
y
b
e occ
u
rred.
Are the
ab
ove thermi
s
tor
in
s
t
a
lled on pipe
s
correctly?
Check the mo
u
nting condition
of the temper
a
t
u
re
s
en
s
or
s
of
the he
a
t exch
a
nging deicer
thermi
s
tor in the piping.
Remove the he
a
t exch
a
nging
deicer thermi
s
ter from the
o
u
tdoor PCB
a
nd me
asu
re
re
s
i
s
t
a
nce with
a
te
s
ter.
I
s
the
ch
a
r
a
cteri
s
tic of the
ab
ove thermi
s
tor
norm
a
l?
Refriger
a
nt overch
a
rged.
YE
S
NO
NO
Repl
a
ce thermi
s
tor.
In
s
t
a
ll thermi
s
tor correctly.
YE
S
Summary of Contents for BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...